Forum Discussion
Bank Reconciliations
Hi Harry435,
Steps to build a Cashflow Calculator for bank reconciliations.
The goal was to:
- Track monthly income and expenses over 12 months
- Add new rows above the Total line
- Have totals auto-update without needing formula edits
- Make the spreadsheet usable by novices
- Lock formulas to prevent accidental changes
- Provide a historical view of cashflow trends
I have built and tested a solution that meets all these needs.
Here's how it works:
Spreadsheet Structure:
- Details column for income/expense item names
- 12 monthly columns (January to December)
- Row Total column: auto-calculates sum of monthly values
- % column: shows each row’s share of the grand total
- Grand Totals for Income and Expenses
- Bank Reconciliation section with Opening Balance, Income, Expenses, Difference, and Closing Balance
Key Features:
- Excel Tables: Income and Expense sections are formatted as tables. When users insert a new row, totals auto-update.
- Structured Formulas: Grand Totals use =SUM(TableName[Row Total]) so they expand dynamically.
- Formula Protection: All formula cells are locked. Sheet protection allows only row insertion and data entry.
- Novice-Friendly: Users only need to add a row and enter monthly values. Everything else updates automatically.
- Historical View: The 12-month layout helps users track trends in their bank balance and spending habits.
How to Use:
- Add a new row under Income or Expenses
- Enter your item name in the “Details” column
- Fill in monthly values (Jan–Dec)
- Row Totals and % will update automatically
- Bank balances and summaries reflect changes instantly
If you have feedback kindly reach out
This tool is designed to empower users with minimal spreadsheet knowledge to manage their finances confidently.
Thanks for reading! —Olufemi
- Harry435Oct 03, 2025Copper Contributor
Hello OlufemiO,
I'm impressed with the work you did. Thanks. I have noticed one or two things I can comment on but will give your spreadsheet a good test before doing so.
(What is your time zone?)
Do you do other things apart from spreadsheets? As I may have other things I need help with.
- OlufemiOOct 06, 2025Brass Contributor
Hi Harry435,
Thanks again for your kind words.
I really appreciate it. I'm based in the West Africa Standard Time zone (WAT), so feel free to reach out whenever it's convenient.Beyond spreadsheets, I also work with:
- Power BI: Designing interactive dashboards, building DAX measures, and modeling data for clear financial insights.
- Microsoft Fabric: I use Fabric to streamline financial workflows—automating data ingestion, centralizing sources like bank feeds and Excel sheets, and enabling real-time reporting for cashflow, budgeting, and reconciliations.
If you're exploring other projects, whether it's reporting, automation, or data strategy I will be glad to see how I can support you.
Looking forward to hearing more!
Best regards,
Olufemi